Between 1925 and 1927, the burgeoning US Naval submarine force suffered two high-profile submarine failures—the loss of the S-51 in 1925 as well as the S-4 in 1927—together resulting in the deaths of 71 US Servicemen. Seeing an opportunity to save lives, Charles B. "Swede" Momsen set about devising a means to pluck… »7/10/12 11:30am 7/10/12 11:30am